body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #f0f2f5;
    margin: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%239C92AC' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

header {
    margin-bottom: 2rem;
    text-align: center;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    color: #333;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Dark Mode Styles */
body.dark-mode {
    background-color: #282c36;
    color: #f0f0f0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236B6B6B' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

body.dark-mode h1 {
    color: #e0e0e0;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

body.dark-mode .lotto-generator {
    background-color: #3a3f4c;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 5px 10px rgba(0, 0, 0, 0.1);
}

body.dark-mode .lotto-generator button {
    background-color: #bb86fc;
    background-image: linear-gradient(to right, #bb86fc 0%, #3700b3 100%);
    box-shadow: 0 4px 15px rgba(187, 134, 252, 0.4);
}

body.dark-mode .lotto-generator button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(187, 134, 252, 0.6);
}

body.dark-mode .number-ball {
    background-image: linear-gradient(to top, #6200ee 0%, #bb86fc 100%);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
}

/* Theme Toggle Button Styling */
#theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background-color: #f0f0f0;
    color: #333;
    border: 1px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

body.dark-mode #theme-toggle {
    background-color: #555;
    color: #f0f0f0;
    border: 1px solid #777;
}

#theme-toggle:hover {
    opacity: 0.8;
}

/* Contact Form Styles */
.contact-form-section {
    width: 100%;
    max-width: 600px;
    margin: 4rem auto;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1), 0 5px 10px rgba(0, 0, 0, 0.04);
    text-align: center;
}

.contact-form-section h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-weight: 600;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
}

.form-group textarea {
    resize: vertical;
}

.contact-form button[type="submit"] {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    background-color: #6a11cb;
    background-image: linear-gradient(to right, #6a11cb 0%, #2575fc 100%);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 117, 252, 0.5);
    align-self: center; /* Center the button in the flex container */
    margin-top: 1rem;
}

.contact-form button[type="submit"]:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(37, 117, 252, 0.7);
}

/* Dark Mode specific styles for contact form */
body.dark-mode .contact-form-section {
    background-color: #3a3f4c;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 5px 10px rgba(0, 0, 0, 0.1);
}

body.dark-mode .contact-form-section h2 {
    color: #e0e0e0;
}

body.dark-mode .form-group label {
    color: #ccc;
}

body.dark-mode .form-group input[type="text"],
body.dark-mode .form-group input[type="email"],
body.dark-mode .dark-mode .form-group textarea {
    background-color: #444;
    color: #f0f0f0;
    border: 1px solid #555;
}

body.dark-mode .contact-form button[type="submit"] {
    background-color: #bb86fc;
    background-image: linear-gradient(to right, #bb86fc 0%, #3700b3 100%);
    box-shadow: 0 4px 15px rgba(187, 134, 252, 0.4);
}